WATER DISPERSIONS OF POLYURETHANE Russian patent published in 2017 - IPC C08L75/04 C09J175/04 C09D175/04 

FIELD: chemistry.

SUBSTANCE: invention relates to an aqueous dispersion of polyurethane comprising (a) dispersed particles of the said polyurethane, wherein the said polyurethane is a reaction product of polyurethane forming reactants comprising (i) one or more polyisocyanates, (ii) a polyol component comprising one or more polyols, and (iii) one or more organometallic compounds having the structure , where n is 0 or 1, t is 0 or 1, r is 0 or 1, p is 0 to 2, q is 0 to 13, at least one of p and q e is zero, M is a metal which is not silicon_, -X¹ is -NH₂ or -OH; and -X² is selected from the group consisting of -SH, -NH₂, -COOH and ; and (b) one or more isocyanate cross-linking reagents containing two or more isocyanate groups.

EFFECT: resulting dispersion has improved adhesion properties.

5 cl, 2 tbl